/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.write;

import com.google.common.collect.ImmutableList;
import org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet;
import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.commons.path.PathDeserializeUtil;
import org.apache.iotdb.db.metadata.plan.schemaregion.write.IActivateTemplateInClusterPlan;
import org.apache.iotdb.db.mpp.plan.analyze.Analysis;
import org.apache.iotdb.db.mpp.plan.planner.plan.node.*;
import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils;

import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;

public class ActivateTemplateNode extends WritePlanNode implements IActivateTemplateInClusterPlan {

    private PartialPath activatePath;
    private int templateSetLevel;
    private int templateId;

    private boolean isAligned;

    private TRegionReplicaSet regionReplicaSet;

    public ActivateTemplateNode(
            PlanNodeId id, PartialPath activatePath, int templateSetLevel, int templateId) {
        super(id);
        this.activatePath = activatePath;
        this.templateSetLevel = templateSetLevel;
        this.templateId = templateId;
    }

    public PartialPath getActivatePath() {
        return activatePath;
    }

    public void setActivatePath(PartialPath activatePath) {
        this.activatePath = activatePath;
    }

    public int getTemplateSetLevel() {
        return templateSetLevel;
    }

    public void setTemplateSetLevel(int templateSetLevel) {
        this.templateSetLevel = templateSetLevel;
    }

    public int getTemplateId() {
        return templateId;
    }

    public void setTemplateId(int templateId) {
        this.templateId = templateId;
    }

    @Override
    public boolean isAligned() {
        return isAligned;
    }

    @Override
    public void setAligned(boolean aligned) {
        this.isAligned = aligned;
    }

    @Override
    public TRegionReplicaSet getRegionReplicaSet() {
        return regionReplicaSet;
    }

    public void setRegionReplicaSet(TRegionReplicaSet regionReplicaSet) {
        this.regionReplicaSet = regionReplicaSet;
    }

    @Override
    public List<PlanNode> getChildren() {
        return new ArrayList<>();
    }

    @Override
    public void addChild(PlanNode child) {
    }

    @Override
    public PlanNode clone() {
        return new ActivateTemplateNode(getPlanNodeId(), activatePath, templateSetLevel, templateId);
    }

    @Override
    public int allowedChildCount() {
        return NO_CHILD_ALLOWED;
    }

    @Override
    public List<String> getOutputColumnNames() {
        return null;
    }

    @Override
    protected void serializeAttributes(ByteBuffer byteBuffer) {
        PlanNodeType.ACTIVATE_TEMPLATE.serialize(byteBuffer);

        activatePath.serialize(byteBuffer);
        ReadWriteIOUtils.write(templateSetLevel, byteBuffer);
        ReadWriteIOUtils.write(templateId, byteBuffer);
    }

    @Override
    protected void serializeAttributes(DataOutputStream stream) throws IOException {
        PlanNodeType.ACTIVATE_TEMPLATE.serialize(stream);

        activatePath.serialize(stream);
        ReadWriteIOUtils.write(templateSetLevel, stream);
        ReadWriteIOUtils.write(templateId, stream);
    }

    public static ActivateTemplateNode deserialize(ByteBuffer buffer) {

        PartialPath activatePath = (PartialPath) PathDeserializeUtil.deserialize(buffer);
        int templateSetLevel = ReadWriteIOUtils.readInt(buffer);
        int templateId = ReadWriteIOUtils.readInt(buffer);

        PlanNodeId planNodeId = PlanNodeId.deserialize(buffer);

        return new ActivateTemplateNode(planNodeId, activatePath, templateSetLevel, templateId);
    }

    @Override
    public List<WritePlanNode> splitByPartition(Analysis analysis) {
        TRegionReplicaSet regionReplicaSet =
                analysis.getSchemaPartitionInfo().getSchemaRegionReplicaSet(activatePath.getFullPath());
        setRegionReplicaSet(regionReplicaSet);
        return ImmutableList.of(this);
    }

    @Override
    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
        return visitor.visitActivateTemplate(this, context);
    }
}
